body{
    display: flex;
    flex-direction: column;
}
body > header{
    flex-basis: 40px;
    display: flex;
    align-items: center;
}

body > header > input{
    margin-right: 10px;
    padding: 6px 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

body > header > input:focus{
    border-color: #66afe9;
    outline: 0;
    -webkit-box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6);
    box-shadow: inset 0 1px 1px rgba(0,0,0,.075), 0 0 8px rgba(102, 175, 233, .6);
}

header > a.btn{
    margin-right: 10px;
}
